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» An Exploration of the Permanent-Determinant Method
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SIGMOD
2005
ACM
164views Database» more  SIGMOD 2005»
16 years 6 months ago
RankSQL: Query Algebra and Optimization for Relational Top-k Queries
This paper introduces RankSQL, a system that provides a systematic and principled framework to support efficient evaluations of ranking (top-k) queries in relational database syst...
Chengkai Li, Kevin Chen-Chuan Chang, Ihab F. Ilyas...
ICFP
2004
ACM
16 years 6 months ago
Verification of safety properties for concurrent assembly code
Concurrency, as a useful feature of many modern programming languages and systems, is generally hard to reason about. Although existing work has explored the verification of concu...
Dachuan Yu, Zhong Shao
MOBISYS
2008
ACM
16 years 6 months ago
Peopletones: a system for the detection and notification of buddy proximity on mobile phones
Mobile phones have the potential to be useful agents for their owners by detecting and reporting situations that are of interest. Several challenges emerge in the case of detectin...
Kevin A. Li, Timothy Sohn, Steven Huang, William G...
MOBIHOC
2005
ACM
16 years 6 months ago
The feasibility of launching and detecting jamming attacks in wireless networks
Wireless networks are built upon a shared medium that makes it easy for adversaries to launch jamming-style attacks. These attacks can be easily accomplished by an adversary emitt...
Wenyuan Xu, Wade Trappe, Yanyong Zhang, Timothy Wo...
ALT
2004
Springer
16 years 3 months ago
On Kernels, Margins, and Low-Dimensional Mappings
Kernel functions are typically viewed as providing an implicit mapping of points into a high-dimensional space, with the ability to gain much of the power of that space without inc...
Maria-Florina Balcan, Avrim Blum, Santosh Vempala